65395540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1861}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 157659264

約数和(自身を除く): 92263724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 1861, 2510, 3514, 3722, 5020, 7028, 7444, 8785, 9305, 13027, 17570, 18610, 26054, 35140, 37220, 52108, 65135, 130270, 260540, 467111, 934222, 1868444, 2335555, 3269777, 4671110, 6539554, 9342220, 13079108, 16348885, 32697770, 65395540]

約数ペア:

[(1, 65395540), (2, 32697770), (4, 16348885), (5, 13079108), (7, 9342220), (10, 6539554), (14, 4671110), (20, 3269777), (28, 2335555), (35, 1868444), (70, 934222), (140, 467111), (251, 260540), (502, 130270), (1004, 65135), (1255, 52108), (1757, 37220), (1861, 35140), (2510, 26054), (3514, 18610), (3722, 17570), (5020, 13027), (7028, 9305), (7444, 8785)]